1020250025 has 24 divisors (see below), whose sum is σ = 1302208320. Its totient is φ = 792365760.

The previous prime is 1020249983. The next prime is 1020250039. The reversal of 1020250025 is 5200520201.

It is not a de Polignac number, because 1020250025 - 2¹⁶ = 1020184489 is a prime.

It is a super-2 number, since 2×1020250025² = 2081820227025001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020249985 and 1020250012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542036 + ... + 543914.

It is an arithmetic number, because the mean of its divisors is an integer number (54258680).

Almost surely, 2^1020250025 is an apocalyptic number.

It is an amenable number.

1020250025 is a deficient number, since it is larger than the sum of its proper divisors (281958295).

1020250025 is a wasteful number, since it uses less digits than its factorization.

1020250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1020250025 is about 31941.3528987111. The cubic root of 1020250025 is about 1006.7049514822.

Adding to 1020250025 its reverse (5200520201), we get a palindrome (6220770226).

The spelling of 1020250025 in words is "one billion, twenty million, two hundred fifty thousand, twenty-five".